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Byju's Answer
Standard X
Mathematics
Trigonometric Identities
Find the valu...
Question
Find the value of
1
+
s
i
n
30
∘
c
o
s
30
∘
+
c
o
s
30
∘
1
+
s
i
n
30
∘
A
4/√3
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B
2/√3
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C
1/√3
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D
√3/2
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Solution
The correct option is
A
4/√3
1
+
s
i
n
30
∘
c
o
s
30
∘
+
c
o
s
30
∘
1
+
s
i
n
30
∘
=
1
+
1
2
√
3
2
+
√
3
2
1
+
1
2
=
4
√
3
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2
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